SOLUTION: If {{{f(x)= x(x+1)(x-4)}}}, use interval notation to give all values of x where {{{f(x)>0}}}.

SOLUTION: If {{{f(x)= x(x+1)(x-4)}}}, use interval notation to give all values of x where {{{f(x)>0}}}.

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Question 75105This question is from textbook Alegbra & Trig w/Geometry
: If , use interval notation to give all values of x where . This question is from textbook Alegbra & Trig w/Geometry

Answer by ichudov(507) (Show Source): You can put this solution on YOUR website!
Look at the graph

x < -1 : f(x) < 0
-1 < x < 0 : f(x) > 0
0 < x < 4 : f(x) < 0
4 < x : f(x) > 0
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